package com.dyh.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean: 3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager")DefaultWebSecurityManager defaultWebSecurityManager){

        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro的内置过滤器
        /*
         * anon: 无需认证可以访问
         * authc: 必须认证了才能访问
         * user: 必须拥有对某个资源的权限猜能访问
         * perms: 拥有某个资源的权限才能访问
         * role: 拥有某个角色权限才能访问
         * */

//        filterMap.put("/user/add","authc");
//        filterMap.put("/user/update","authc");
        //拦截
        Map<String,String>filterMap=new LinkedHashMap<>();

        //授权, 正常情况下, 没有资源会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");//必须是user用户并且有add权限才可以访问
        filterMap.put("/user/update","perms[user:update]");

        filterMap.put("/admin*","perms[user:login]");
        filterMap.put("/admin/logout","anon");

        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        //未授权页面
        bean.setUnauthorizedUrl("/noauth");


        return bean;
    }


    //DefaultWebSecurityManager: 2
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager=new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);

        return securityManager;
    }


    //创建 realm 对象, 需要自定义类: 1
    @Bean(name = "userRealm")
    public UserRealm userRealm(){

        return new UserRealm();
    }

    //整合ShiroDialect: 用来整合 shiro thymeleaf

    @Bean
    public ShiroDialect getShiroDialect(){




        return new ShiroDialect();
    }


}